ISIS is a splined interface bottom bracket/crank design used by Truvativ, FSA, Raceface and other brands.

• Aluminum cups require TruVativ or compatible installation tool
• Heat-treated thick-wall chromoly spindle handles the abuse of downhill riding
• Precision full-complement sealed cartridge bearings
• M12 crank bolts included (unless noted)

• Spindle Interface Type: ISIS
• BB Shell Width (mm): 68 , 73
• Bottom Bracket Shell I.D.: 1.37
• Spindle Length: 118
• BB/Frame Interface: English
• Defined Color: Black
• Weight: 362